| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.unomi.services.impl.scope; |
| |
| import org.apache.unomi.api.Item; |
| import org.apache.unomi.api.Scope; |
| import org.apache.unomi.api.services.SchedulerService; |
| import org.apache.unomi.api.services.ScopeService; |
| import org.apache.unomi.persistence.spi.PersistenceService; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.TimerTask; |
| import java.util.concurrent.ConcurrentHashMap; |
| import java.util.concurrent.ConcurrentMap; |
| import java.util.concurrent.ScheduledFuture; |
| import java.util.concurrent.TimeUnit; |
| import java.util.stream.Collectors; |
| |
| public class ScopeServiceImpl implements ScopeService { |
| |
| private PersistenceService persistenceService; |
| |
| private SchedulerService schedulerService; |
| |
| private Integer scopesRefreshInterval = 1000; |
| |
| private ConcurrentMap<String, Scope> scopes = new ConcurrentHashMap<>(); |
| |
| private ScheduledFuture<?> scheduledFuture; |
| |
| public void setPersistenceService(PersistenceService persistenceService) { |
| this.persistenceService = persistenceService; |
| } |
| |
| public void setSchedulerService(SchedulerService schedulerService) { |
| this.schedulerService = schedulerService; |
| } |
| |
| public void setScopesRefreshInterval(Integer scopesRefreshInterval) { |
| this.scopesRefreshInterval = scopesRefreshInterval; |
| } |
| |
| public void postConstruct() { |
| initializeTimers(); |
| } |
| |
| public void preDestroy() { |
| scheduledFuture.cancel(true); |
| } |
| |
| @Override |
| public List<Scope> getScopes() { |
| return new ArrayList<>(scopes.values()); |
| } |
| |
| @Override |
| public void save(Scope scope) { |
| persistenceService.save(scope); |
| } |
| |
| @Override |
| public boolean delete(String id) { |
| return persistenceService.remove(id, Scope.class); |
| } |
| |
| @Override |
| public Scope getScope(String id) { |
| return scopes.get(id); |
| } |
| |
| private void initializeTimers() { |
| TimerTask task = new TimerTask() { |
| @Override |
| public void run() { |
| refreshScopes(); |
| } |
| }; |
| scheduledFuture = schedulerService.getScheduleExecutorService() |
| .scheduleWithFixedDelay(task, 0, scopesRefreshInterval, TimeUnit.MILLISECONDS); |
| } |
| |
| private void refreshScopes() { |
| scopes = persistenceService.getAllItems(Scope.class).stream().collect(Collectors.toConcurrentMap(Item::getItemId, scope -> scope)); |
| } |
| } |